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Notes about issue fonts_in_pdf_files in unstable

Identifier: fonts_in_pdf_files
Suites: unstable / bookworm / bullseye / buster / experimental
Description: The internally used names/identifiers of fonts embedded into PDF files varies.
The order of embedded fonts can also be different.
The order is only different if the date differs (set by TZ environment
variable for example). If the date is the same, then the font name
is reproducible. Difference in hour/minute/second resolution seems
to be irrelevant.
The font name occurs in the /BaseFont field and in the /Fontname field.
The name is of the form XXXXXX+YYY where the XXXXXX part is the one that
varies and is called the subset_tag. It is generated in
texk/web2c/pdftexdir/utils.c function make_subset_tag() from an MD5 sum
over the font glyphs.
Packages in 'unstable' known to be affected by this issue:
(the 1/4 most-popular ones (within this issue) are underlined)

reproducible icon 17 reproducible packages in unstable/amd64: bacula-doc code-saturne flann gl2ps gnustep-make libtheora libtommath libu2f-server minlog pasdoc pmw sollya soundscaperenderer tcode vite weka yosys

FTBFS icon 2 FTBFS packages in unstable/amd64: paw urweb

FTBR icon 30 unreproducible packages in unstable/amd64: asymptote avr-libc cafeobj canl-c cxxtest debmake-doc dia dune-common dune-localfunctions enblend-enfuse firehol form gdcm gnubg gprolog kicad live-manual manderlbot mpich mrpt ocaml-atd python-escript rheolef systemtap topal ufoai winff yacas graphviz+ libu2f-host+


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